1201114140 has 96 divisors (see below), whose sum is σ = 3470874624. Its totient is φ = 310179840.

The previous prime is 1201114129. The next prime is 1201114163. The reversal of 1201114140 is 414111021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271345 + ... + 275735.

It is an arithmetic number, because the mean of its divisors is an integer number (36154944).

Almost surely, 2^1201114140 is an apocalyptic number.

1201114140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201114140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1735437312).

1201114140 is an abundant number, since it is smaller than the sum of its proper divisors (2269760484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201114140 is a wasteful number, since it uses less digits than its factorization.

1201114140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547 (or 4545 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1201114140 is about 34657.0936461787. The cubic root of 1201114140 is about 1062.9873425699.

Adding to 1201114140 its reverse (414111021), we get a palindrome (1615225161).

It can be divided in two parts, 120111 and 4140, that added together give a triangular number (124251 = T₄₉₈).

The spelling of 1201114140 in words is "one billion, two hundred one million, one hundred fourteen thousand, one hundred forty".